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Spread out key zone and type values

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Introduce some space between the current key zone and type values so
that we have room to insert new keys amongst the current keys if we need
to.   A spacing of 4 is arbitrarily chosen as small enough to still give
us intuitively small numbers while leaving enough room to grow, given
how long its taken to come to the current number of keys.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2021-10-28 12:30:47 -07:00
parent e38beee85a
commit 9ebf43db99
1 changed files with 30 additions and 30 deletions
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kmod/src/format.h
+30 -30
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@@ -583,48 +583,48 @@ struct scoutfs_log_merge_freeing {
/*
* Keys are first sorted by major key zones.
*/
#define SCOUTFS_INODE_INDEX_ZONE 1
#define SCOUTFS_ORPHAN_ZONE 2
#define SCOUTFS_XATTR_TOTL_ZONE 3
#define SCOUTFS_FS_ZONE 4
#define SCOUTFS_LOCK_ZONE 5
#define SCOUTFS_INODE_INDEX_ZONE 4
#define SCOUTFS_ORPHAN_ZONE 8
#define SCOUTFS_XATTR_TOTL_ZONE 12
#define SCOUTFS_FS_ZONE 16
#define SCOUTFS_LOCK_ZONE 20
/* Items only stored in server btrees */
#define SCOUTFS_LOG_TREES_ZONE 6
#define SCOUTFS_MOUNTED_CLIENT_ZONE 7
#define SCOUTFS_SRCH_ZONE 8
#define SCOUTFS_FREE_EXTENT_BLKNO_ZONE 9
#define SCOUTFS_FREE_EXTENT_ORDER_ZONE 10
#define SCOUTFS_LOG_TREES_ZONE 24
#define SCOUTFS_MOUNTED_CLIENT_ZONE 28
#define SCOUTFS_SRCH_ZONE 32
#define SCOUTFS_FREE_EXTENT_BLKNO_ZONE 36
#define SCOUTFS_FREE_EXTENT_ORDER_ZONE 40
/* Items only stored in log merge server btrees */
#define SCOUTFS_LOG_MERGE_STATUS_ZONE 11
#define SCOUTFS_LOG_MERGE_RANGE_ZONE 12
#define SCOUTFS_LOG_MERGE_REQUEST_ZONE 13
#define SCOUTFS_LOG_MERGE_COMPLETE_ZONE 14
#define SCOUTFS_LOG_MERGE_FREEING_ZONE 15
#define SCOUTFS_LOG_MERGE_STATUS_ZONE 44
#define SCOUTFS_LOG_MERGE_RANGE_ZONE 48
#define SCOUTFS_LOG_MERGE_REQUEST_ZONE 52
#define SCOUTFS_LOG_MERGE_COMPLETE_ZONE 56
#define SCOUTFS_LOG_MERGE_FREEING_ZONE 60
/* inode index zone */
#define SCOUTFS_INODE_INDEX_META_SEQ_TYPE 1
#define SCOUTFS_INODE_INDEX_DATA_SEQ_TYPE 2
#define SCOUTFS_INODE_INDEX_META_SEQ_TYPE 4
#define SCOUTFS_INODE_INDEX_DATA_SEQ_TYPE 8
/* orphan zone, redundant type used for clarity */
#define SCOUTFS_ORPHAN_TYPE 1
#define SCOUTFS_ORPHAN_TYPE 4
/* fs zone */
#define SCOUTFS_INODE_TYPE 1
#define SCOUTFS_XATTR_TYPE 2
#define SCOUTFS_DIRENT_TYPE 3
#define SCOUTFS_READDIR_TYPE 4
#define SCOUTFS_LINK_BACKREF_TYPE 5
#define SCOUTFS_SYMLINK_TYPE 6
#define SCOUTFS_DATA_EXTENT_TYPE 7
#define SCOUTFS_INODE_TYPE 4
#define SCOUTFS_XATTR_TYPE 8
#define SCOUTFS_DIRENT_TYPE 12
#define SCOUTFS_READDIR_TYPE 16
#define SCOUTFS_LINK_BACKREF_TYPE 20
#define SCOUTFS_SYMLINK_TYPE 24
#define SCOUTFS_DATA_EXTENT_TYPE 28
/* lock zone, only ever found in lock ranges, never in persistent items */
#define SCOUTFS_RENAME_TYPE 1
#define SCOUTFS_RENAME_TYPE 4
/* srch zone, only in server btrees */
#define SCOUTFS_SRCH_LOG_TYPE 1
#define SCOUTFS_SRCH_BLOCKS_TYPE 2
#define SCOUTFS_SRCH_PENDING_TYPE 3
#define SCOUTFS_SRCH_BUSY_TYPE 4
#define SCOUTFS_SRCH_LOG_TYPE 4
#define SCOUTFS_SRCH_BLOCKS_TYPE 8
#define SCOUTFS_SRCH_PENDING_TYPE 12
#define SCOUTFS_SRCH_BUSY_TYPE 16
/* file data extents have start and len in key */
struct scoutfs_data_extent_val {